aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-iop33x/uncompress.h
blob: 34d9e8e8287ae0c88ba28ffb757ab38c57156460 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
 * include/asm-arm/arch-iop33x/uncompress.h
 */

#include <asm/types.h>
#include <asm/mach-types.h>
#include <linux/serial_reg.h>
#include <asm/arch/hardware.h>

static volatile u32 *uart_base;

#define TX_DONE		(UART_LSR_TEMT | UART_LSR_THRE)

static inline void putc(char c)
{
	while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE)
		barrier();
	uart_base[UART_TX] = c;
}

static inline void flush(void)
{
}

static __inline__ void __arch_decomp_setup(unsigned long arch_id)
{
	if (machine_is_iq80331() || machine_is_iq80332())
		uart_base = (volatile u32 *)IOP33X_UART0_PHYS;
	else
		uart_base = (volatile u32 *)0xfe800000;
}

/*
 * nothing to do
 */
#define arch_decomp_setup()	__arch_decomp_setup(arch_id)
#define arch_decomp_wdog()